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x = √3+1/2; find 4x³+2x²-8x+7

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x = √3+1/2; find 4x³+2x²-8x+7

    • Posted by Ritika Burnwal 1 year, 4 months ago

    CBSE > Class 09 > Mathematics
    • 1 answers

    Srujan Kadam 1 year, 4 months ago

    Put=x ==√3+1/2 Find, 4x³+2x²-8x+7 =4.(√3+1/2)³+2.(√3+1/2)²-8.(√3+1/2)+7 =44.48+9.96-17.85+7 =43.97 =~(approx)44

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